[c-nsp] help with one-armed routing

[Bruce Pinsky]

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Eric Louie wrote:
| Hi folks
| I have a configuration that I need help with
|
| Here is the scenario -
| router with 2 fast ethernet interfaces, and one serial interface
| default route is out the serial interface
| the 1st fast ethernet interface is enabled
| the 2nd fast ethernet interface is shutdown
|
| I want to use the 2nd fast ethernet interface as a one-armed router,
| independent of the rest of the router.  It cannot allow any traffic to pass
| through, it can only bounce traffic.
|
| Here are the conditions for that 2nd fast ethernet interface:
| if the source IP is 192.168.151.0 /24 then route it - if it is not that,
| then drop it.
|
| if the destination IP is 192.158.55.0.0 / 24 then send it to 192.168.151.254
|
| otherwise, send the traffic to 192.69.151.1
|
| Anyone game to help me with this configuration?
|

Should be easily accomplished with Policy Based Routing.  See

http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800c75d2.html#wp1001052

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bep

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